If All the Points in a Scatterplot Lie on the Least

question 11

Multiple Choice

If all the points in a scatterplot lie on the least squares regression line, then the correlation coefficient r must be:

• A) 1.0
• B) -1.0
• C) either 1.0 or -1.0
• D) 100
• E) 10

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Definitions:

Hostage Situation

An event in which individuals are held against their will by an abductor with demands usually pertaining to money, political statements, or safe passage.

Hostage Taker

An individual who seizes and holds people against their will, typically to demand ransom or fulfill other conditions.

Suicidal

Pertaining to having the intention or displaying tendencies towards self-harm that could lead to one's death.

Alarm

A device or signal for warning or alerting to danger, or the state of being suddenly aware of potential or imminent danger.